Penstemon 'Pensham Plum Jerkum' (Pensham Series)
- Position: full sun or partial shade
- Soil: fertile, well-drained soil
- Rate of growth: average
- Flowering period: July to October
- Flower colour: deep purple with a white throat
- Hardiness: borderline hardy (may need winter protection)
Sumptuous plum flowers with a white, mottled throat appear on upright stems for an extended period from midsummer.Originally bred by Edward Wilson, of Pershire Plant Raisers, the Pensham Penstemons were bred to withstand lower temperatures and inclement weather, as well as produce beautifully coloured flowers for a longer period than most of the other varieties. This gorgeous cultivar is a triumph, and will look super in a border with a 'bruised' colour scheme.
- Garden care: Remove the faded blooms regularly to prolong flowering. Apply a dry mulch around the base of the plant to protect the roots from frost damage in autumn. Leave the old foliage to protect the new shoots from frost and then cut it back by a third in spring.
- Try taking cuttings in July and early August. Fill a small seed tray with coarse horticultural sand and water it well. Take the cuttings in the cool of the day, choosing non-flowering side shoots about two inches (5cm) in length. If there are flower buds, pick them off. Trim the cuttings below a node (where the leaf joint is) and remove or reduce any large leaves to lessen transpiration. Plunge them into the sand so that two-thirds of the cutting is submerged and place the tray in a cool, shady position for several weeks. Then pot up individually into compost, such as John Innes no 1. You can also leave your cuttings in situ until next spring, although they will need protection from frost.
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Comments about Crocus Penstemon'Pensham Plum Jerkum':
For anyone, like me, who wants speedy 'oomph' in a new garden without any of the hard work, this plant is perfect. Really attractive, does well in semi-shade. Grew massively the first summer, producing tons of flowers well into October, while the leaves remained green all winter even in snow. The spires are quite tall and heavy, so this year I've added a support hoop for it to grow up through.
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